Audi Q2 GA Brake Servo Braking Unit Master Cylinder Booster 5Q2614105CR

The Audi Q2 GA brake booster is an original brake system component designed for vehicles with a petrol engine. As part of the Brake Boosters and Proportioning Valves group, it ensures proper brake pedal assistance and stable hydraulic operation, leading to predictable and safe speed reduction in everyday use.

Specifications and technical data

• SKU: 5Q2614105CR
• Mark: Audi
• Condition: Used
• OEM Part Number: 5Q2614105CR
• Substitutable numbers: 5Q2614105CR, 5Q2 614 105 CR
• Fuel type: Petrol
• Category: Brake Servos

Purpose and Function in the Braking System

The presented brake booster has been specifically designed for the Audi Q2 GA platform with a petrol engine, where it is responsible for increasing the force applied to the master brake cylinder while maintaining a comfortable pedal travel. This results in significantly lighter pedal operation for the driver and a repeatable response from the braking system across a wide range of loads.

This component works with the vacuum generated by the engine, stabilizing pressure in the brake circuits and supporting the even distribution of braking force between the vehicle's axles. A correctly selected booster is crucial for maintaining the factory braking characteristics, especially in modern Audi designs.

Benefits of Using an Original Audi Booster

Using an original Audi brake booster to replace a worn or damaged component allows for the preservation of the system's factory operating parameters. The main advantages include:

• maintaining the brake pedal characteristics intended by the manufacturer,
• stable assistance across the entire range of system loads,
• proper cooperation with the master brake cylinder and vehicle electronics,
• reducing the risk of uneven braking and extended braking distances.

For the user, this means more predictable vehicle behavior during sudden braking, better control over the car, and maintaining safety parameters close to factory specifications.

Characteristics of a Used Component

The offered brake booster is a used part from a dismantled vehicle, allowing for an economical repair of the braking system while maintaining the original Audi specifications. This type of component is particularly attractive for post-accident repairs or for restoring the functionality of a heavily used vehicle, where both technical compliance and reasonable cost are important.

Before installation, the standard workshop procedure is recommended: leak testing, verifying the correct operation of the diaphragm, and checking its cooperation with the existing hydraulic system. A correctly installed booster restores full brake assist functionality without the need for vehicle structural modifications.

Selection and Integration with the Audi Q2 GA Braking System

The brake booster for the Audi Q2 GA with a petrol engine should always be selected based on compatibility with the specific vehicle version to ensure proper force transfer, appropriate piston rod travel, and compatibility with the master cylinder. In practice, this means:

• maintaining the factory brake engagement point,
• no need for modifications to lines and mounting points,
• correct cooperation with safety systems (ABS/ESP) at the hydraulic level.

This allows the booster to be integrated into the existing system as a plug-in component within the standard service procedure, without the need for mechanical adaptation.

Technical Support and Additional Materials

If you are planning a comprehensive repair or upgrade of the braking area in your Audi and need other parts from the same group, such as brake boosters, proportioning valves, or related hydraulic components, check the available parts in the Audi Brake Boosters and Proportioning Valves category.

When planning more extensive service work on your vehicle, it is also worth considering systems that affect driving comfort and safety. Practical tips on selecting used OEM components, maintenance schedules, and service procedures can be found in the article: Air Conditioning and Heating – Part Selection and Maintenance for Year-Round Comfort.